329 results found
Medical tests
… Stool Analysis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … can include infection (such as from parasites , viruses , or bacteria ), poor nutrient absorption, or cancer. …
Medical tests
… (PTH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism , to find the …
Medical tests
… Ophthalmoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … doctor can also see other structures in the eye. The doctor uses a magnifying tool called an ophthalmoscope and a light …
Medical tests
… Count (CBC) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … very quickly. The number of white blood cells is sometimes used to find an infection or to see how the body is dealing …
Medical tests
… Gonioscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … checked for glaucoma. Glaucoma is an eye disease that can cause blindness by damaging the optic nerve . If you have …
Medical tests
… Toxicology Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … up to 3-4 days after a possible overdose. Check for drug use in the workplace. Testing is common for people who work …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … mouthwash, and toothpaste. Low sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. …
Medical tests
… Abdominal X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … X-ray may be one of the first tests done to find a cause of belly pain, swelling, nausea, or vomiting. And other …
Medical tests
… Retinal Imaging On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, …
Medical tests
… Facial X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … sinus X-ray series) looks at the air-filled cavities (sinuses) around the nose and eyes. A facial X-ray helps find …